Another big day in a series of big days in the Scottish Premiership title race. Leaders Heart of Midlothian visit Kilmarnock this evening (20:00 GMT), while second-top Celtic host ...

Follow live text updates and listen to BBC Radio 5 Live commentary of qualifying for the Australian Grand Prix.

Abstract: We have developed a 100-GHz fiber-fed optical-to-radio converter for radio- and power-over-fiber transmission. A zero-bias operational high-speed photodetector (3-dB bandwidth >100 GHz) ...